My-T-Sil 919

My-T-Sil 919

My-T-Sil® 919 RTV Silicone sealant is a one part neutral cure silicone material of paste-like consistency that cures to a tough, rubbery substrate when exposed to moisture in the air

  • Excellent resistance to weathering, ozone, solar radiation, moisture, vibrations and chemicals.
  • Anti-Sag and weather proof
  • Apart from metals, plastics, etc. it is suitable for all the usual building and construction joints.

Pack Size:

My-T-Sil® 919 is ideally available in

  • 280 ml cartridge
  • 100 ml tube
  • 20 Kg Pail/Bucket

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Product Features & Benefits

 Its specific application is gasket replacement and gasket dressing.
 It is non corrosive and has good tear strength.
 Enhances shock absorbing and load bearing characteristics of the bond area.
 Retains effective properties in contact with automotive fluids, such as motor oil, transmission fluids, and alcohol and antifreeze solutions.
 It is mainly used for sealing of flanges, roof flashings, roof ventilators, skylights
 For perimeter seals around windows, curtain wall joints and other weather seal applications between metals, masonry, concrete, glass, paints and plastic substrates.
 For sealing and encapsulating heating elements in appliances, caulking sheet metal stacks, ductwork and housings, sealing pipe joints and high temperature flues or access doors.


Sr No Properties Value
1.) Appearance Grey/Black Paste
2.) Cure Neutral
3.) Specific Gravity @ 25±2°C 1.45 ± 0.05
4.) Viscosity Non-Slump paste
5.) Skin over Time 10-15 minutes
6.) Tack Free Time 30-50 minutes
7.) Tensile Strength ASTM D412 1.15-3.5 N/mm2
8,) Elongation ASTM D412 ≥ 250 %
9.) Hardness (Durometer Shore A), ASTM D2240 30-50
10.) Operating Temperature -65 to 250 °C